gpio.mode(1, gpio.OUTPUT)
gpio.mode(2, gpio.OUTPUT)
gpio.mode(3, gpio.OUTPUT)
gpio.mode(4, gpio.OUTPUT)

gpio.write(1, gpio.LOW)
gpio.write(2, gpio.LOW)
gpio.write(3, gpio.LOW)
gpio.write(4, gpio.LOW)

--gpio.write(1, gpio.HIGH)
--gpio.write(2, gpio.HIGH)
--gpio.write(3, gpio.HIGH)
--gpio.write(4, gpio.HIGH)
